This warranty does not cover the following cases:

1. Any damage due to accident, electrical fault, natural causes, negligence or improper installation.
2. Any damage or failure caused by unauthorized modification or alteration.
3. Products with original serial numbers that have been removed, distorted or cannot be readily recognized.

Authority keeps the right to change, extend, correct, stop or cancel the warranty period without any prior notice.

*This warranty covers only manufacturing defects in products & workmanship, subject to verification by company personnel.